Finding the Fourth Proportional to 12,446.56, 17,152.60 and 8,903.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,446.56 : 17,152.60 = 8,903.62 : x
2. Step 2: Convert to fraction form
   12,446.56/17,152.60 = 8,903.62/x
3. Step 3: Cross multiply
   12,446.56x = 17,152.60 × 8,903.62
4. Step 4: Simplify right side
   12,446.56x = 152,720,232.41
5. Step 5: Solve for x
   x = 152,720,232.41/12,446.56
6. Step 6: Final answer
   x = 12,270.08